Daily Business Report — Oct. 3, 2014

October 3, 2014 5:26 PM

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Above: The seafloor spreads along tectonic ridges and faults, marked by the red dots overlaying this region of the Indian Ocean, Oct. 2, 2014.

Eighty percent of the seafloor remains unmapped, including part of the Indian Ocean where a missing Malaysian Airlines jet went down earlier this year. Put another way, we know more about the terrain of Mars than we do about two-thirds of the Earth’s surface.